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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14824) HBaseAdmin.mergeRegions should recognize both full region names and encoded region names
Date Thu, 19 Nov 2015 04:31:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15012773#comment-15012773
] 

Hudson commented on HBASE-14824:
--------------------------------

FAILURE: Integrated in HBase-Trunk_matrix #479 (See [https://builds.apache.org/job/HBase-Trunk_matrix/479/])
HBASE-14824 HBaseAdmin.mergeRegions should recognize both full region (tedyu: rev d738aade2ec9a837f71cdb37792e3eb516cc53a3)
* hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAdmin1.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/HRegionInfo.java


> HBaseAdmin.mergeRegions should recognize both full region names and encoded region names
> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-14824
>                 URL: https://issues.apache.org/jira/browse/HBASE-14824
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Eungsop Yoo
>            Assignee: Eungsop Yoo
>            Priority: Minor
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: HBASE-14824-v1.patch, HBASE-14824-v2.patch, HBASE-14824.patch
>
>
> HBaseAdmin.mergeRegions() calls HBaseAdmin.getRegion() internally. HBaseAdmin.getRegion()
requires the full region name. So MetaTableAccessor.getRegion always returns null and this
causes one more meta table scan.
> {code}
>   Pair<HRegionInfo, ServerName> getRegion(final byte[] regionName) throws IOException
{
>     if (regionName == null) {
>       throw new IllegalArgumentException("Pass a table name or region name");
>     }
>     Pair<HRegionInfo, ServerName> pair =
>       MetaTableAccessor.getRegion(connection, regionName);
>     if (pair == null) {
> {code}
> I suppose to use full region names instead of encoded region names in HBaseAdmin.mergeRegions().



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